2848d79915
Rust backend: SQLite (WAL mode, 8 tables), vault encryption (Argon2id + AES-256-GCM), settings/connections/credentials services, 19 Tauri command wrappers. 46/46 tests passing. Vue 3 frontend: unlock/create vault flow, Pinia app store, Tailwind CSS v4 dark theme with Wraith branding. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
106 lines
3.0 KiB
Rust
106 lines
3.0 KiB
Rust
use crate::db::Database;
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/// Key-value settings store backed by the `settings` SQLite table.
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///
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/// The table schema is:
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/// key TEXT PRIMARY KEY
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/// value TEXT NOT NULL
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///
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/// All operations acquire the shared DB mutex for their duration and
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/// return immediately — no async needed for a local SQLite store.
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pub struct SettingsService {
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db: Database,
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}
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impl SettingsService {
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pub fn new(db: Database) -> Self {
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Self { db }
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}
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/// Retrieve the value for `key`, or `None` if it has never been set.
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pub fn get(&self, key: &str) -> Option<String> {
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let conn = self.db.conn();
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conn.query_row(
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"SELECT value FROM settings WHERE key = ?1",
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rusqlite::params![key],
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|row| row.get::<_, String>(0),
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)
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.ok()
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}
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/// Insert or update the value for `key` (SQLite UPSERT).
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pub fn set(&self, key: &str, value: &str) -> Result<(), String> {
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let conn = self.db.conn();
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conn.execute(
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"INSERT INTO settings (key, value) VALUES (?1, ?2)
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ON CONFLICT(key) DO UPDATE SET value = excluded.value",
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rusqlite::params![key, value],
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)
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.map(|_| ())
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.map_err(|e| format!("settings::set failed for key '{key}': {e}"))
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}
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/// Remove the entry for `key`. Succeeds silently if the key does not exist.
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pub fn delete(&self, key: &str) -> Result<(), String> {
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let conn = self.db.conn();
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conn.execute(
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"DELETE FROM settings WHERE key = ?1",
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rusqlite::params![key],
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)
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.map(|_| ())
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.map_err(|e| format!("settings::delete failed for key '{key}': {e}"))
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}
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}
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// ---------------------------------------------------------------------------
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// Tests
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// ---------------------------------------------------------------------------
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::db::Database;
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fn make_service() -> SettingsService {
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let db = Database::open(std::path::Path::new(":memory:")).unwrap();
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db.migrate().unwrap();
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SettingsService::new(db)
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}
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#[test]
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fn get_missing_returns_none() {
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let svc = make_service();
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assert_eq!(svc.get("nonexistent"), None);
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}
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#[test]
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fn set_and_get_roundtrip() {
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let svc = make_service();
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svc.set("theme", "dracula").unwrap();
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assert_eq!(svc.get("theme"), Some("dracula".into()));
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}
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#[test]
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fn set_overwrites_existing_value() {
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let svc = make_service();
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svc.set("theme", "dracula").unwrap();
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svc.set("theme", "solarized").unwrap();
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assert_eq!(svc.get("theme"), Some("solarized".into()));
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}
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#[test]
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fn delete_removes_key() {
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let svc = make_service();
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svc.set("to_remove", "yes").unwrap();
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svc.delete("to_remove").unwrap();
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assert_eq!(svc.get("to_remove"), None);
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}
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#[test]
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fn delete_nonexistent_key_succeeds() {
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let svc = make_service();
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// Should not return an error.
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assert!(svc.delete("ghost").is_ok());
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}
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}
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